Re: ye olde 1521

Henry,

you're right about using dedicated listener port on unix.
Oracle on Windows use random ports by default. Try to search definition 
of USE_SHARED_SOCKET parameter.


Kind regards,
Edward Shevtsov

Henry Poras wrote:
> Just wondering if one of my strongly held untested assumptions is wrong. I 
> always thought that when you connected to Oracle via the listener in 
> dedicated server mode, you would come in via the listener port (i.e. 1521, 
> 1526). The listener would then validate, spawn off a shadow oracleSID process 
> using some arbitrary port, and the client would then be passed to this 
> process with the listener butting out at that point. The client would then be 
> connected to the database through that arbitrary port.
> Last week a developer and myself checked this out. He sniffed the coming and 
> going of packets, and everything used only port 1521. I looked at netstat (I 
> think the parameters were asp (RedHat AS3 OS) but I'm not  sure. That info is 
> at work but I'm not at the moment) and the only active Oracle ports were also 
> 1521. Are other ports used? Is this dependent on load? I searched metalink 
> and found the question asked, but no answers were ever posted.
> 
> Thanks.
> 
> Henry
> 
> 
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